Cryptographic Protocols on the Internet

Rafail Ostrovsky

Telcordia Technologies

How do you maintain the protocol security on the Interent?
What does it mean? In this talk, I'll describe two recent
results on this topic. In particular, I'll show that if all
users have access to a common random string, protocols such as
Zero-Knowledge Proofs of Knowledge and Commitment Protocols
can be achieved with very strong security guarantees.